| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric power conversion apparatus which enables normal operation while enhancing the security for invalidating unnecessary operation.SOLUTION: An electric power conversion apparatus 101 includes: a housing having a door 31 provided with a key switch 22; a control circuit 13 for controlling an electric power conversion part housed in the housing; an operation part 12 installed at the door 31; and an operation part 20 which is installed in the housing (the electric power conversion apparatus) and has a function in common with at least a part of a function of the operation part 12. The operation part 12 includes: switches 17a, 17b, 17c for starting, stopping, and performing emergency stop of the electric power conversion apparatus 101; and an interlock switch (a key switch 15) for invalidating the operation of the switches. The operation part 12 includes an interlock switch 21 having a function similar to that of the key switch 15. |
